CN102177738A - A method and system for managing roaming of a mobile equipment - Google Patents
A method and system for managing roaming of a mobile equipment Download PDFInfo
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- CN102177738A CN102177738A CN2009801404103A CN200980140410A CN102177738A CN 102177738 A CN102177738 A CN 102177738A CN 2009801404103 A CN2009801404103 A CN 2009801404103A CN 200980140410 A CN200980140410 A CN 200980140410A CN 102177738 A CN102177738 A CN 102177738A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
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Abstract
The present invention relates to a method for managing roaming of a mobile equipment of a subscriber, when the mobile equipment is roaming. The method comprises the steps: to store a first list customized for each subscriber, the first list comprises information regarding the visited countries, number of times a certain country have been visited, and for how long time the country have been visited; to store a second list customized for each subscriber, the second list comprises information about preferred operators for a part of the countries on the first list; to receive a roaming signal from the Home Location Register when the mobile equipment is roaming into another network o rmonitor a roaming signal intended for the Home Location Register; in response to the roaming signal, to update the first list; if the first list has changed above a predetermined threshold value, to update the second list; and to send the updated second list to the mobile equipment.
Description
Technical field
In first aspect, the present invention relates to a kind of system of operating the roaming of the mobile device that is used to manage the subscriber.
According to second aspect, the present invention relates to a kind of method of roaming of the mobile device that is used to manage the subscriber.
According to the third aspect, the present invention relates to the computer program of the roaming of at least one mobile device that is used to manage the subscriber.
Background technology
When mobile device will roam in the field network, this choice of equipment resided in the network in the tabulation of the preferred network in this equipment.This tabulation comprises this operator by the operator's renewal under signatory and this tabulation and has other operators that reach an agreement on its roaming.
The tabulation that comprises the network that is allowed in the mobile device might be carried out over-the-air updating.This makes operator might change this tabulation when pricing model, agreement and operator's constellation change.When the subscriber enters random zone, mobile device will be selected preferred network from tabulation, and condition is that it is present in this zone.
The trigger event that this tabulation is based in the system is updated.When the subscriber enters random zone, new tabulation will send to subscriber's mobile device from network.This tabulation comprises the preferred operator that will use.
The size of tabulation is limited, means from not listing all preferred networks therein.
Also exist particular application wherein to reside in solution on SIM (subscriber's identification module) card.Server communication in this application program and the network is so that be updated tabulation.
Patent documentation US 7,274,917B2 relate to the roaming of management mobile device between home network and field network.The content of the control documents of preserving in the mobile device of roaming behavior based on the subscriber.In control documents, defined the tabulation of the network that in the roaming situation, will use according to priority orders.The desired roaming behavior of the position that the management Application inspection roams into about the current roaming setting of mobile device with about mobile device.The result manages application program and is provided with according to desired roaming behavior adjustment roaming as a comparison.
Problem about one of above-mentioned solution is, when the subscriber advances to wherein him will roam into another country in the network time, one of preferred network does not define in tabulation probably.This means that the subscriber will use more expensive operator to be used for home-operator.Can upgrade tabulation from operator in this case, but this renewal self has cost and equipment will can not change to preferred operator automatically.This means also that for home-operator the actual use of equipment will be more expensive also.In a word, this will influence the income stream of operator.
In custom application need reside in situation on the SIM card, the calorie requirement of current use was changed by operator.For most of operators, this is to carry out very expensive operation in most applications.
A problem relevant with the solution that presents in the United States Patent (USP) 7,274,917 of how trigger event that enters being made a response about method is that new tabulation is sent to mobile device immediately.According to environment, this may be a unsuitable method of disposing trigger event.For example, the subscriber may advance and roam in the carrier network in this country near another national border and mobile device.Described method is acted like this subsequently and is sent the new tabulation that comprises about the cost of home-operator to mobile device immediately.In addition, do not have the personalization of tabulation, for example the country that proceeding to according to them of all subscribers uses same tabulation, and irrelevant with subscriber's traveling mode.
Summary of the invention
By having solved the problems referred to above when the mobile device system that just roaming the time can operated the roaming of the mobile device that is used to manage the subscriber between home network and field network according to claim 1.This system comprises the attaching position register that is connected to home network.This system also comprises first parts that are used to store at first tabulation of each subscriber's customization.First tabulation comprises country about mobile device visit, the particular country number of times of mobile device visit and particular country mobile device visit information how long.This system also comprises second parts that are used to store at second tabulation of each subscriber's customization.Second tabulation comprises the information about the preferred operator of the part country in first tabulation.This system also comprises the control assembly that is connected to home network, field network, first parts and second parts.Control assembly can be operated and be used for receiving the roaming signal or monitoring that when mobile device is roaming into another network expection is used for the roaming signal of attaching position register from attaching position register when mobile device is roaming into another network.In response to the roaming signal, control assembly also can be operated and be used to upgrade first tabulation.Control assembly also can be operated and be used for periodically checking first tabulation, and if first tabulation changed more than the predetermined threshold, then upgrade second tabulation, and will upgrade subsequently second tabulate and to send to mobile device.
The advantage of the solution that presents in the claim 1 is that it has created the best list that only comprises the preferred operator in the country that certain subscriber visited.Because any given subscriber only visits the limited country of number probably, therefore will make the renewal minimum of second tabulation self of actual transmission.This means the cost minimum that will be used in the renewal that sends second tabulation.
Another advantage is that first parts comprise the number of times that each subscriber visits particular country.This means that it may become the good basis when operator is selected and the roaming of negotiation and another operator is reached an agreement on.
If control assembly has the form of roaming subscriber node, then realized the another advantage under this background.
According to another embodiment, if control assembly has the form of the statistics node that is connected to first parts and attaching position register, and have the form of the roaming subscriber node that is connected to second parts and statistics node, then this is an advantage.
In addition, if system also comprises the back end that is connected to the statistics node and is used for the stored calls data record and is connected to the 3rd parts of back end, wherein back end can be operated and be used to use Call Data Record to create the default list of initial second tabulation as second parts, and then this is an advantage under this background.
Be used to store several default lists if second parts also can be operated, each default list and subscriber's specific behavior coupling has then realized the another advantage under this background.
By also having solved the problems referred to above when the mobile device method that just roaming the time is being used for the roaming of management subscriber's mobile device under the help in system between home network and field network according to claim 6.The method comprising the steps of: under the help of first parts that comprise in system, storage is at first tabulation of each subscriber customization, and first tabulation comprises country about the mobile device visit, the particular country number of times of mobile device visit and particular country mobile device visit information how long; Under the help of second parts that comprise in system, storage is at second tabulation of each subscriber's customization, and second tabulation comprises the information about the preferred operator of the part country in first tabulation; That in system, comprise and be connected under the help of control assembly of the attaching position register that comprises in home network, field network, first parts, second parts and the system, when mobile device is roaming in another network, receive the roaming signal or when mobile device is roaming into another network, monitor and expect the roaming signal that is used for attaching position register from attaching position register; Under the help of control assembly,, upgrade first tabulation and periodically check first tabulation in response to the roaming signal; If first tabulation has changed more than the predetermined threshold, then under the help of control assembly, upgrade second tabulation; And second tabulation that will upgrade sends to mobile device.
The advantage of the method according to this invention is that it has created the best list that only comprises the preferred operator in the country that certain subscriber visited.Because any given subscriber only visits the limited country of number probably, therefore will make the renewal minimum of second tabulation self of actual transmission.This means the cost minimum that will be used in the renewal that sends second tabulation.Because preferred operator has been the part of second tabulation probably when the subscriber visits this country, therefore also will make the cost minimum of roaming self.
Another advantage is that first parts comprise the number of times that each subscriber visits particular country.This means that it may become the good basis when operator is selected and the roaming of negotiation and another operator is reached an agreement on.
Be arranged in the specific times of particular country and/or the special time period that mobile device has been arranged in particular country if predetermined threshold can be a mobile device, then realized the another advantage under this background.
In addition, if the 3rd parts that this system also comprises back end and is used for the stored calls data record, and this method also comprises step: under the help of back end, use Call Data Record to create the default list of initial second tabulation as second parts, then this is an advantage under this background.
If method also comprises step: under the help of second parts, store several default lists, each default list and subscriber's specific behavior coupling has then realized the another advantage under this background.
The problems referred to above have also been solved by at least one computer program according to claim 10.
Note, " comprise " existence that is intended to represent given characteristic, step or element, do not get rid of the existence of one or more other characteristics, feature, integral body, step, element or their group as the term that uses in the description here.
Embodiments of the invention are now described with reference to the accompanying drawings, in the accompanying drawings:
Description of drawings
Fig. 1 is the block diagram according to first embodiment of system of operating the roaming that is used to manage mobile device of the present invention;
Fig. 2 is the block diagram according to second embodiment of system of operating the roaming that is used to manage mobile device of the present invention;
Fig. 3 is the flow chart according to the method for the roaming that is used to manage mobile device of the present invention; And
Fig. 4 schematically shows according to many computer programs of the present invention.
Embodiment
In Fig. 1, disclose when mobile device just between home network 14 and field network 16 roaming the time can operate the block diagram of the system 10 of the roaming that is used to manage mobile device 12.Two field networks 161 and 162 are disclosed in Fig. 1.System 10 comprises the attaching position register 18 that is connected to home network 14.Also as obvious among Fig. 1, system 10 also comprises can operate first parts 20 that are used to store at first tabulation of each subscriber's customization.First tabulation comprises country about mobile device 12 visit, the particular country number of times of mobile device 12 visits and particular country mobile device 12 visit information how long.In addition, system 10 also comprises and can operate second parts 22 that are used to store at second tabulation of each subscriber's customization.Second tabulation comprises the information about the preferred operator of the part country in first tabulation.Control assembly 24 is connected to home network 12, field network 161 and 162, attaching position register 18, first parts 20 and second parts 22.Control assembly 24 can be operated and be used for receiving the roaming signal or monitoring that when mobile device is roaming into another network expection is used for the roaming signal of attaching position register 18 from attaching position register 18 when mobile device 12 is roaming into another network.In response to the roaming signal, control assembly 24 can be operated and be used to upgrade first tabulation.In addition, control assembly 24 also can operate be used for periodically checking first the tabulation, and if first the tabulation changed more than the predetermined threshold, then upgrade second the tabulation.Subsequently, control assembly 24 can be operated second tabulation that is used for upgrading and send to mobile device 12.Two Visited Location Registors 501 and 502 are also disclosed among Fig. 1.
Among the disclosed embodiment, control assembly 24 has the form of roaming subscriber node 24 in Fig. 1.
Second embodiment according to system 10 of the present invention is disclosed in Fig. 2.The designated similar Reference numeral of similar functional block among Fig. 1 and 2 and will no longer being described.In this embodiment, control assembly 24 is divided into the statistics node 241 that is connected to first parts 20 and attaching position register 18, and the roaming subscriber node 242 that is connected to second parts 22 and statistics node 241.In addition, system 10 also comprises the back end 26 that is connected to statistics node 241, and can operate the 3rd parts 28 that are used for the stored calls data record.The 3rd parts 28 are connected to back end 26.Back end 26 can be operated and be used to use Call Data Record to create the default list of initial second tabulation as second parts 22.
The flow chart that is used for the method for the roaming of management subscriber's mobile device under the help of system 10 is disclosed among Fig. 3.This method starts from frame 60.This method continues at frame 62 places, has step: under the help of first parts 20 (referring to Fig. 1 and 2) that comprise in system 10, storage is at first tabulation of each subscriber's customization.First tabulation comprises country about mobile device 12 visit, the particular country number of times of mobile device 12 visits and particular country mobile device 12 visit information how long.Subsequently, this method continues at frame 64 places, has step: under the help of second parts 22 that comprise in system 10, storage is at second tabulation of each subscriber's customization.Second tabulation comprises the information about the preferred operator of the part country in first tabulation.This method continues at frame 66 places, has step: under the help of the control assembly 24 that in system 10, comprises, when mobile device 12 is roaming in another network, receive the roaming signal or monitor that when mobile device 12 is roaming into another network expection is used for the roaming signal of attaching position register 18 from attaching position register 18.Subsequently, this method continues at frame 68 places, has step: in response to the roaming signal, under the help of control assembly 24, upgrade first tabulation, and in step 70, periodically check first tabulation.Has following problem is inquired at 72 places at frame: whether first tabulation changed more than the predetermined threshold? if the answer is in the negative, then carry out step once more according to frame 70.On the other hand, if answer is yes, then this method continues at frame 74 places, has step: under the help of control assembly 24, upgrade second tabulation.Subsequently, this method continues at frame 76 places, has step: second tabulation that will upgrade sends to mobile device 12.This method is finished at frame 78 places.
This network comprises database, and it is followed the tracks of moving of any subscriber and constitutes the tabulation with optimizing roaming operator according to moving.This means the preferred operator that will comprise the country that visits about the subscriber about any given subscriber's tabulation in time.
Comprise two tabulations for this database of each subscriber:
1. the list of countries that comprises the country of frequent visit.In case roaming into, the subscriber promptly upgrades this tabulation in another network.
2. the roaming list that comprises the preferred operator that to use.This tabulation is the tabulation that is sent to mobile device.
Use following process to upgrade list of countries:
1. the database reception notification is roamed subscriber's trigger event.
2. use is upgraded list of countries about the information which operator country, time and the equipment of being discussed roams into.Number of times is in conjunction with accessed approximate indication how long also is the part of this tabulation about particular country.
Use following process updating roaming lists:
1. periodically timer has reached time threshold, therefore begins this renewal work.
2. check subscriber's list of countries.
3. use the information of having visited which country to constitute roaming list and use about each national preferred operator about the subscriber.Notice that the time of a country falls short of or number of times is very few if the user is arranged in, and then will can not use about this national preferred operator and upgrade this tabulation.The hysteresis that this can be regarded as upgrading.
4., then send the roaming list that upgrades to equipment if tabulation is changed.
Noting, is the default list that operator is selected about any given subscriber's initial roaming list.Default list can change in time according to the change of roaming agreement or similar environment.How it can also roam in other networks according to the subscriber changes.For example, if many subscribers usually visit particular country, then default list should be updated to comprise about this national preferred operator.This renewal process can be the part that periodically updates of the standard that changes in time of default list wherein.The present invention can also dispose and wherein have several default lists, the situation of each default list and subscriber's specific known behavior coupling.Use said method, for example, can monitor the behavior by collecting subscriber data and using these data to be used to create default list subsequently.Default list can also by with operator's manual creation of subscriber's known behavior coupling.So, to how use his equipment owing to understand the subscriber, for example, advance to particular country continually or have and be used to call out the signatory cheaply of particular country or country's set, therefore the most at the beginning by selecting particular list to use different default lists in advance at each subscriber.Behavior by monitor subscribers in special time period also can automatically distribute specific default list and automatically distribute the default list that mates with his behavior to him subsequently for the subscriber.For example, if the subscriber calls out particular country in a large number, then he will advance to this country and the default list that therefore comprises about this national preferred operator is assigned to this subscriber probably in time.Notice that the distribution of outstanding default list is important, this is because because any subscriber will use optimizing roaming operator the most at the beginning, therefore will reduce the cost of operator.In addition, because preferred operator has become the part of tabulation, therefore when the subscriber visited this country, home-operator needn't send the tabulation of renewal to the subscriber.Therefore also be used in the cost minimum of the actual renewal of carrying out tabulation.
Notice that the needs that have at the different default list that uses the most at the beginning are preferred, this is can not have all preferred operators because the number of entries in each tabulation has in limited size and the tabulation.
In Fig. 4, schematically disclose according to computer programs 102 more of the present invention
1..., 102
nIn Fig. 4, show n different digital computer 100
1..., 100
n, wherein n is an integer.In Fig. 4, show n different computer program 102
1, 102
n, show the computer program of form here with CD dish.Different computer programs 102
1..., 102
nDirectly be loaded into n different computer 100
1..., 100
nInternal storage in.Each computer program 102
1..., 102
nComprise and being used at computer 100
1..., 100
nCarry out during these products of last operation according to Fig. 3 software code part in steps.Computer program 102
1..., 102
nCan for example have the form of disk, RAM (random access memory) dish, tape, magneto optical disk or some other suitable products.
The invention is not restricted to described embodiment.To be apparent that for those skilled in the art many within the scope of the appended claims different modifications are feasible.
Claims (10)
1. the mobile device as the subscriber (12) system (10) that just roaming the time can be operated the roaming that is used for managing described mobile device (12) between home network (14) and field network (16), described system (10) comprises the attaching position register (18) that is connected to described home network (14), it is characterized in that, described system (10) also comprises first parts (20) that are used to store at first tabulation of each subscriber's customization, and described first tabulation comprises the country about described mobile device (12) visit, particular country is by the number of times of described mobile device (12) visit, and described particular country is by described mobile device (12) visit information how long; Be used to store second parts (22) at second tabulation of each subscriber's customization, described second tabulation comprises the information about the preferred operator of the described country of a part in described first tabulation; And control assembly (24), it is connected to described home network (12), described field network (16), described attaching position register (18), described first parts (20) and described second parts (22), and can operate and be used for when described mobile device (12) is roaming in another network, receiving the roaming signal or monitoring that expection is used for the roaming signal of described attaching position register (18) from described attaching position register (18), and in response to described roaming signal, upgrade described first tabulation, wherein said control assembly (24) can also be operated and be used for periodically checking described first tabulation, if and described first tabulation has changed more than the predetermined threshold, then upgrade described second tabulation, and subsequently second tabulation of described renewal is sent to described mobile device (12).
2. the system (10) that can operate the roaming of the mobile device (12) that is used for managing the subscriber according to claim 1 is characterized in that described control assembly (24) has the form of roaming subscriber node (24).
3. the system (10) that can operate the roaming of the mobile device (12) that is used for managing the subscriber according to claim 1, it is characterized in that described control assembly (24) has the statistics node (24 that is connected to described first parts (20) and described attaching position register (18)
1) form, and have and be connected to described second parts (22) and described statistics node (24
1) roaming subscriber node (24
2) form.
4. the system (10) that can operate the roaming of the mobile device (12) that is used for managing the subscriber according to claim 3 is characterized in that, described system (10) also comprises and is connected to described statistics node (24
1) back end (26), and be used for the stored calls data record and be connected to the 3rd parts (28) of described back end (26), wherein said back end (26) can be operated and be used for using described Call Data Record to create the default list of initial second tabulation as described second parts (22).
5. the system (10) that can operate the roaming of the mobile device (12) that is used for managing the subscriber according to claim 4, it is characterized in that, described second parts (22) can also be operated and be used for storing several default lists, each default list and described subscriber's specific behavior coupling.
6. the method that is used for the roaming of the described mobile device of management (12) under the help of system (10) between home network (14) and field network (16) when the mobile device as the subscriber (12) is just being roamed, described method comprises step: under the help of first parts (20) that comprise in described system (10), storage is at first tabulation of each subscriber's customization, and described first tabulation comprises the country about described mobile device (12) visit, particular country is by the number of times of described mobile device (12) visit, and described particular country is by described mobile device (12) visit information how long; Under the help of second parts (22) that comprise in described system (10), storage is at second tabulation of each subscriber's customization, and described second tabulation comprises the information about the preferred operator of the described country of a part in described first tabulation; That in described system (10), comprise and be connected under the help of control assembly (24) of the attaching position register (18) that comprises in described home network (14), described field network (16), described first parts (20), described second parts (22) and the described system (10), when described mobile device (12) is roaming in another network, receive the roaming signal or monitor that expection is used for the roaming signal of described attaching position register (18) from described attaching position register (18); Under the help of described control assembly (24),, upgrade described first tabulation and periodically check described first tabulation in response to described roaming signal; If described first tabulation has changed more than the predetermined threshold, then under the help of described control assembly (24), upgrade described second tabulation; And second tabulation of described renewal sent to described mobile device (12).
7. the method for the roaming of the mobile device (12) that is used to manage the subscriber according to claim 6, it is characterized in that described predetermined threshold can be that mobile device (12) is arranged in the specific times of particular country and/or the special time period that described mobile device (12) has been arranged in particular country.
8. according to the method for the roaming of claim 6 or the 7 described mobile devices (12) that are used to manage the subscriber, it is characterized in that, the 3rd parts (28) that described system (10) also comprises back end (26) and is used for the stored calls data record, described method also comprises step: under the help of described back end (26), use described Call Data Record to create the default list of initial second tabulation as described second parts (22).
9. the method for the roaming of the mobile device (12) that is used to manage the subscriber according to claim 8, it is characterized in that, described method also comprises step: under the help of described second parts (22), store several default lists, each default list and described subscriber's specific behavior coupling.
10. at least one computer program (102
1..., 102), can directly be loaded at least one digital computer (100
1, 100) internal storage in, comprise being used at described at least one computer (100
1..., 100n) go up described at least one product (102 of operation
1..., 102
n) time enforcement of rights require the software code part of each step of 6.
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| PCT/SE2009/051125 WO2010042043A1 (en) | 2008-10-10 | 2009-10-08 | A method and system for managing roaming of a mobile equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109196892A (en) * | 2016-06-01 | 2019-01-11 | 瑞典爱立信有限公司 | The long-range offer of subscriber's entity |
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| SE535002C2 (en) * | 2009-07-06 | 2012-03-13 | Synapse Int Sa | A method and system for handling roaming of a mobile device |
| CN105025456B (en) * | 2015-07-09 | 2018-09-21 | 英特尔公司 | Update the method for the optimum roaming list of Subscriber Identity Module card |
| US10972896B2 (en) * | 2019-01-23 | 2021-04-06 | T-Mobile Usa, Inc. | Intelligent steering of roaming for user equipment |
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| US6148197A (en) * | 1998-03-06 | 2000-11-14 | Sbc Technology Resources, Inc. | Intelligent roaming system with over the air programming |
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| US6999762B2 (en) * | 2002-06-05 | 2006-02-14 | Qualcomm, Incorporated | Method and apparatus for handling roaming lists in a wireless communication system |
| AU2003281438A1 (en) * | 2002-07-08 | 2004-01-23 | Huawei Technologies Co., Ltd | Network and method of realizing local roaming for subscribers |
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| GB2395867B (en) * | 2002-11-28 | 2004-11-10 | Orange Personal Comm Serv Ltd | Mobile communications |
| SE527628C2 (en) * | 2003-01-17 | 2006-04-25 | Smarttrust Ab | Method for a mobile station to select the most advantageous network when roaming |
| US7349695B2 (en) * | 2004-06-02 | 2008-03-25 | Nokia Corporation | Multimode roaming mobile devices |
| DE102004035956A1 (en) * | 2004-08-11 | 2006-07-27 | MyWerk GbR (vertretungsberechtigte Gesellschafter: Robert Bastubbe, 82335 Berg, Jan Erhardt, 82335 Berg, Silke Schäfers, 82335 Berg | Mobile network e.g. public land mobile network, selection and configuration method, involves providing active component that supervises network to select optimal roaming partners with respect to provided service and/or communication costs |
| US8423017B2 (en) * | 2008-03-31 | 2013-04-16 | General Motors Llc | Automatic updating of a preferred roaming list stored in a vehicle telematics unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109196892A (en) * | 2016-06-01 | 2019-01-11 | 瑞典爱立信有限公司 | The long-range offer of subscriber's entity |
| CN109196892B (en) * | 2016-06-01 | 2021-10-12 | 瑞典爱立信有限公司 | Method for remote provisioning of subscriber entities |
Also Published As
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| BRPI0920376A2 (en) | 2016-08-09 |
| AP2011005640A0 (en) | 2011-04-30 |
| WO2010042043A1 (en) | 2010-04-15 |
| SE533572C2 (en) | 2010-10-26 |
| SE0802172A1 (en) | 2010-04-11 |
| CY1119745T1 (en) | 2018-06-27 |
| EP2338292A4 (en) | 2014-07-23 |
| US8423018B2 (en) | 2013-04-16 |
| EA201170535A1 (en) | 2011-10-31 |
| CA2739323C (en) | 2017-03-07 |
| EP2338292B1 (en) | 2017-08-30 |
| US20110195711A1 (en) | 2011-08-11 |
| CN102177738B (en) | 2014-04-02 |
| EA018217B1 (en) | 2013-06-28 |
| AU2009302966B2 (en) | 2014-05-01 |
| AU2009302966A1 (en) | 2010-04-15 |
| AP3118A (en) | 2015-02-28 |
| SE0802172A2 (en) | 2010-07-20 |
| CA2739323A1 (en) | 2010-04-15 |
| EP2338292A1 (en) | 2011-06-29 |
| BRPI0920376B1 (en) | 2021-01-12 |
| ES2652612T3 (en) | 2018-02-05 |
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